starting at $327
starting at $206
starting at $148
starting at $63
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from San Diego to Denver. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from San Diego to Denver, despite the fact that sometimes flights with transfers can cost significantly less.
•
•
•
•
•
•
Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The San Diego — Denver route is served by a wide range of airlines: 4 in total, including Southwest Airlines, United Airlines, Alaska Airlines, and Frontier Airlines. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $63. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.
starting at $327
starting at $206
starting at $148
starting at $63
San Diego — Denver
09/05/2026
Departure
Direct flight
WN4839
starting at $327
San Diego — Denver
09/08/2026
Departure
Direct flight
UA682
starting at $259
San Diego — Denver
09/09/2026
Departure
Direct flight
UA682
starting at $294
San Diego — Denver
09/11/2026
Departure
Direct flight
UA5520
starting at $433
San Diego — Denver
09/12/2026
Departure
Direct flight
UA2793
starting at $206
San Diego — Denver
09/13/2026
Departure
Direct flight
AS3029
starting at $284
San Diego — Denver
09/26/2026
Departure
Direct flight
AS1423
starting at $183
There are most likely no direct flights on the San Diego — Denver route
We couldn't find any special offers for flights from San Diego to Denver
The cheapest one-way flight from San Diego to Denver departs on 09/25/2026, is operated by Frontier Airlines and costs $63
There is no information about the cheapest roundtrip flight from San Diego to Denver
Fastest flight from San Diego to Denver takes 2h 28m
There are direct flights on this route 5 days a week: Su, Tu, We, Fr, and Sa
The distance between San Diego and Denver is 1340km (831 miles). There are 37 direct flights from San Diego to Denver. The time difference between San Diego and Denver is 1h. Flights from San Diego begin at 6:20 AM. The latest flight from San Diego departs at 8:01 PM
The cheapest flight ticket from San Diego to Denver according to data for the last 48 hours costs $63
Often the best time to buy tickets from San Diego to Denver is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from San Diego to Denver can be found flying in these months: August.
The fastest flights from San Diego to Denver start from 2 hours 28 minutes in the air.
The following airlines operate direct flights on the route San Diego — Denver: Southwest Airlines, United Airlines, Alaska Airlines
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from San Diego to Denver